Question about 2002 Jeep Grand Cherokee

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Have a 2002 Jeep Grand Cherokee Limited that over heated and now will not start. Its been cooled over night..suggestions??

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First thing you need to do Is to remove all the spark plugs and see if there is coolant in any cylinder(s) If so, you are going to have to deal with blown head gasket or cracked head issues before going any further. If not, do a compression test and check the backlash on the timing chain to make sure it did not stretch from heat. Additionally, you will need to check all the electronics on the engine (sensors, coil etc) if any were marginal the additional heat may have finished them off. Do basic testing....air, fuel spark...what do you have or not have. Use a haynes or chiltons manual for test procedures and expected values. If your transmission has an overheat switch, check that too.
It takes a while to find any problem. If you are lucky you will find it at or near the beginning of your search. If not, stay with it. It ran before, and barring any real catastrophic failure, it should be able to run again.

Posted on May 14, 2010

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Posted on Jan 02, 2017

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